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OK, my first Stryker to touch, feel, and repair...
It was dead. would not power up. Did a quick internet
search to save time. found that some of these radios had a
burned-up board trace. others had a bad on/off switch.
I quickly found the on/off switch to be bad. So I soldered a piece...
I just don't understand them contests, on the weekends,
hogging up the bands with "CQ Contest, Contest"
then the pause and "contest"
"you're 5 by 9"
but if you are DX then you are "5 by 9 plus"
what a waste!
sometimes I will answer a "contester" and talk real slowly
and tell them about my...
OK on that info about these amps.
I have an update also. -
I connected an old Teaberry tube 3 watt output radio to
this amp. I had the power supply to this amp current limited to a few amps,
for this quick test. I could key-up this amp, relay comes on, but no RF out,
it did not draw much...
took a look over that schematic diagram.
but the bias circuit on this diagram is messed up.
at relay RLY1 - 14,15,16 just a drawing mistake. ?
and that feedback through the 27pF capacitor from the
amplifier output. hmmm!
so will pull the board out, and do some continuity tests.
so the...
Here is my older post. it looks like resistor R14 was changed to 100 ohms.
and I disconnected that screwball input circuit, and just have one
resistor there, and I feed this with a China made Cobra 148...
Hey, I just dug out this Dynamo 175 amp that I was playing with
over a year ago, adjusting the bias, by-passing RX pre-amp,
correcting the RF input circuit. I got it working good.
I always wanted the proper schematic.
and I just found the schematic this morning! maybe?
"AUTOMATIC SIDE BAND"...
bump. bump. I remembered this thread.
just thought I would be an "Adam Henry" here.
was just outside in a T-shirt, dinking a cold beer, with my
cellphone camera in hand. I thought I saw an alligator a few days
ago. I did see a large green Anole lizard.
that one white/yellow flower may...
I have been reading this thread here. I have a local with a 2517 with
maybe the same problem. it was a few weeks ago. He said his 2517 has
weak receive signal. so can you see a high level S-meter reading
and with low audio? is it low audio, or bad receiver problem?
I will cell phone...
.
ha ha ha. yes! I agree so much. True. true.
the way the 27 MHz RF wiring is done. all them input switches for
LOW MED HIGH the "v" variable models. all is bad.
all is wrong. so messed up....
I can't believe what I see.
for example, them RM Italy "linear" amps. (no bias...
so do you have the AM or SSB button pushed in.?
if your amp still matches the schematic.
measure input SWR with one or both pushed in.
this changes the RF input network. I have a customer's TS DX-250
that I posted here about, and I keep both AM and SSB switches
pushed in, and the input match...
hey - BC Coyote
I can tell lots of "sea stories" stories.
after I drink some beers, talking with the guys at the
sports bar. lots of stories. I can tell. one after another!
it was a blast. being a Merchant Marine back then.
with one company, 1986 (Crowley) I had good living conditions...
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